1,10-Phenanthroline ferrous perchlorate 14586-54-0 14708-99-7 56557-22-3 EINECS 238-627-9 Iron(2+), tris(1,10-phenanthroline-kappaN1,kappaN10)-, (OC-6-11)-, diperchlorate Tris(1,10-phenanthroline-N1,N10)iron diperchlorate